B23B31/20- Longitudinally-split sleeves, e.g.

B23B31/12- Chucks with simultaneously-acting jaws, whether or not also individually adjustable.

B23B31/10- Chucks characterised by the retaining or gripping devices or their immediate operating means.

B23B31/00- Chucks Expansion mandrels Adaptations thereof for remote control.B23- MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR.B25B15/004- Screwdrivers characterised by material or shape of the tool bit characterised by cross-section.B25B15/001- Screwdrivers characterised by material or shape of the tool bit.B25B- TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING.B25- HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Individual filed Critical Individual Priority to US491961A priority Critical patent/US2842020A/en Application granted granted Critical Publication of US2842020A publication Critical patent/US2842020A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US491961A Inventor Carl S Tarquinio Current Assignee (The listed assignees may be inaccurate.

Google Patents US2842020A - Wrench holderĭownload PDF Info Publication number US2842020A US2842020A US491961A US49196155A US2842020A US 2842020 A US2842020 A US 2842020A US 491961 A US491961 A US 491961A US 49196155 A US49196155 A US 49196155A US 2842020 A US2842020 A US 2842020A Authority US United States Prior art keywords wrench holder jaws sleeve allen Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

20 slot wrench holder